.root {
    width: 100%;
    height: 100%;
    padding: .2rem;
    border-top: 1px solid #eeeeee;
    box-sizing: border-box;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: #fff;
    .wrapper {
        height: 100%;
        padding: 0 .2rem;
        display: flex;
        align-items: center;
    }
    .button {
        width: 0.4rem;
        height: 0.4rem;
        border-radius: .1rem;
        &.active {
            background: url(https://cdn.weipaitang.com/static/2017090417f658f5-e16b-4d1a-8ed3-161d898a1c72-W200H40) no-repeat center / 2rem .4rem;
            background-position: -0.8rem 0;
        }
    }
}